Horizontal positioning ruler



FIG. 1 is a front perspective view of a horizontal positioning ruler, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a second perspective view, showing the article in an extended configuration.

The dashed broken lines depict portions of the horizontal positioning ruler that form no part of the claim. 

CLAIM The ornamental design for a horizontal positioning ruler, as shown and described. 